We are offering hikvision dvr. H.264 video compression • up to 4cif real-time resolution • up to 16ch analog video input • each channel supports dual stream • supports ddns • up to 4 sata hdd at 2tb each • e-mail alert configuration • internet ready for remote viewing and cell phone access • pentaplex operations enables simultaneous recording, • live view, playback, back-up, and network operations.